Wheel shudders during hard braking/highway speeds

a couple months ago my dad had my car, and I the old 250. well why he had it he said it needed new rear tires (it really did), so i told him if he wanted he could go get them and I'd pay him back when I saw him again. Well the service guy (Pepboys) also told him my rear rotors were warped so he decided to have those and the pads replaced too (thanks alot...i enjoy unexpected expenses) Well since then, I've slowly noticed some strange vibrations in my steering wheel when i travel at highway speeds, and when i brake relatively hard. Well it's just been getting worse, to the point where it shudders back and forth pretty bad (I might take a video to show). I bring up the brake job because i never noticed this before (i got my car from him 2 days later, and he said it wasn't happening before the maintenance). So what do you guys think the problem is? Also note that some roads near my apartment can have serious potholes, so maybe I hit one of those, and the issue is just now making itself noticed. Thanks for any help!
-------------------------------------------------------------2007 Mustang v6-2011 Ford F250 6.7-2001 Ford F250 7.3ChocoboTrendThe only thing that feels better than a Mustang is sex. -Red Chocobo

front rotors are my idea too. and the rears aren't even warped anymore, they were replaced.edit: i just found it interesting that the problem arose right after the brake job
-------------------------------------------------------------2007 Mustang v6-2011 Ford F250 6.7-2001 Ford F250 7.3ChocoboTrendThe only thing that feels better than a Mustang is sex. -Red Chocobo

Yeah, rear rotors are typically felt through the pedal, not the wheel.
---------------------------------------------------On the internet you can be anything you want. Its strange that so many people choose to be stupid.

RedChocobo:So you're getting a vibration even when not braking at higher speeds also?

ya at 70+mph i get a much less severe but still noticeable vibration.
-------------------------------------------------------------2007 Mustang v6-2011 Ford F250 6.7-2001 Ford F250 7.3ChocoboTrendThe only thing that feels better than a Mustang is sex. -Red Chocobo

I'm replacing the front rotors this weekend, along with new front tires (should've done them all at once) so they should be balanced and my alignment fixed (needs this). And NBM it gets much worse with braking, I'm hoping the front rotors fix this.
-------------------------------------------------------------2007 Mustang v6-2011 Ford F250 6.7-2001 Ford F250 7.3ChocoboTrendThe only thing that feels better than a Mustang is sex. -Red Chocobo

It sounds to me like your on the right track (however I'm just a weekend warrior DIYer, no tech) and that's the path I'd be looking into. If the tires don't red replacing I'd just have them rebalanced at a decent shop.
---------------------------------------------------On the internet you can be anything you want. Its strange that so many people choose to be stupid.

I would say you are on the right track. Front rotors are usually the culprit. Seems to me these days the rotors are too thin to start as many shops never want to cut them when putting on a new set of pads. I remember when rotors were thick enough you could almost have them cut 4 or 5 times before replacing. Now with the price of iron etc. seems they skimp on material.